公开(公告)号：US20230163278A1

公开(公告)日：2023-05-25

申请号：US18152444

申请日：2023-01-10

申请人： NANOGRAF CORPORATION

发明人： Joshua J. LAU ,  Aaron YOST ,  James MCKINNEY ,  Cary Michael HAYNER ,  Jack CAVANAUGH ,  Seonbaek HA

IPC分类号： H01M4/36 ,  H01M4/62 ,  H01M10/0525 ,  H01M4/04 ,  H01M4/48

CPC分类号： H01M4/366 ,  H01M4/48 ,  H01M4/0402 ,  H01M4/623 ,  H01M10/0525 ,  H01M2004/027

摘要： An electrode material for a lithium ion secondary battery and method of forming the same, the electrode material including composite particles, each composite particle including: a primary particle including an electrochemically active material; and an envelope disposed on the surface of the primary particle. The envelope includes turbostratic carbon having a Raman spectrum having: a D band having a peak intensity (ID) at wave number between 1330 cm-1 and 1360 cW-1; a G band having a peak intensity (IG) at wave number between 1530 cm-1 and 1580 cm-1; and a 2D band having a peak intensity (I2D) at wave number between 2650 cm-1 and 2750 cm-1. In one embodiment, a ratio of ID/IG ranges from greater than zero to about 1.1, and a ratio of 12D/IG ranges from about 0.4 to about 2.

公开(公告)号：US20230361286A1

公开(公告)日：2023-11-09

申请号：US18309342

申请日：2023-04-28

申请人： NANOGRAF CORPORATION

发明人： Cary HAYNER ,  Seonbaek HA ,  Kathryn HICKS ,  Joshua LAU ,  Christine FRYSZ

IPC分类号： H01M4/62 ,  H01M10/0525 ,  H01M4/1393 ,  H01M4/48 ,  H01M4/583 ,  H01M4/04

CPC分类号： H01M4/48 ,  H01M4/0471 ,  H01M4/1393 ,  H01M4/583 ,  H01M4/623 ,  H01M10/0525

摘要： An electrode material for a lithium ion secondary battery and method of forming the same, the electrode material including composite particles, each composite particle including a primary particle including thermally disproportionated silicon oxide, and an envelope disposed on the surface of the primary particle. The envelope includes turbostratic carbon having a Raman spectrum having: a D band having a peak intensity (ID) at wave number between 1330 cm-1 and 1360 cm-1; a G band having a peak intensity (IG) at wave number between 1530 cm-1 and 1600 cm-1; and a 2D band having a peak intensity (I2D) at wave number between 2650 cm-1 and 2750 cm-1, wherein a ratio of ID/IG ranges from greater than zero to about 1.0, and a ratio of I2D/IG ranges from about 0.4 to about 2.

公开(公告)号：US20240162412A1

公开(公告)日：2024-05-16

申请号：US18421341

申请日：2024-01-24

申请人： NANOGRAF CORPORATION

发明人： James MCKINNEY ,  Cary M. HAYNER ,  Joshua J. LAU ,  Seonbaek HA ,  Francis WANG

IPC分类号： H01M4/133 ,  C01B33/113 ,  H01M4/134 ,  H01M4/36 ,  H01M4/38 ,  H01M4/48 ,  H01M4/485 ,  H01M4/587 ,  H01M4/62 ,  H01M10/0525

CPC分类号： H01M4/133 ,  C01B33/113 ,  H01M4/134 ,  H01M4/366 ,  H01M4/386 ,  H01M4/483 ,  H01M4/485 ,  H01M4/587 ,  H01M4/622 ,  H01M10/0525 ,  C01B32/198

摘要： Composite anode materials and methods of making same, the anode materials including capsules including graphene, reduced graphene oxide, graphene oxide, or a combination thereof, and particles of an active material disposed inside of the capsules. The particles may each include a core and a buffer layer surrounding the core. The core may include crystalline silicon, and the buffer layer may include a silicon oxide, a lithium silicate, carbon, or a combination thereof.

公开(公告)号：US20210359295A1

公开(公告)日：2021-11-18

申请号：US17322181

申请日：2021-05-17

申请人： NANOGRAF CORPORATION

发明人： Cary Michael HAYNER ,  Aaron YOST ,  Kathryn HICKS ,  Seonbaek HA ,  Pitawat MAHAWATTANANGUL ,  Joshua J. LAU

IPC分类号： H01M4/36 ,  H01M4/48 ,  H01M4/38 ,  H01M4/587 ,  H01M4/58 ,  H01M4/133 ,  H01M4/134 ,  H01M4/136 ,  H01M10/0525 ,  H01M4/62

摘要： Active material composite particles, an electrode including the composite particles, a lithium ion secondary battery including the electrode, and method of forming the same, in which the composite particles each include a core particle including an alkali metal or an alkali earth metal silicate, and a coating disposed on the surface of the core particle. The coating includes turbostratic carbon having a Raman spectrum having: a D band having a peak intensity (ID) at wave number between 1330 cm−1 and 1360 cm−1 ; a G band having a peak intensity (IG) at wave number between 1580 cm−1 and 1600 cm−1; and a 2D band having a peak intensity (I2D) at wave number between 2650 cm−1 and 2750 cm−1, wherein a ratio of ID/IG ranges from greater than zero to about 1.1, and a ratio of I2D/IG ranges from about 0.4 to about 2.

公开(公告)号：US20230079735A1

公开(公告)日：2023-03-16

申请号：US17822958

申请日：2022-08-29

申请人： NANOGRAF CORPORATION

发明人： Seonbaek HA ,  Cary Michael HAYNER ,  Kathryn HICKS ,  In KIM ,  Nevin NAREN ,  Aaron YOST

IPC分类号： H01M4/36 ,  H01M10/0525 ,  H01M50/46 ,  H01M4/04 ,  H01M4/505 ,  H01M4/58 ,  H01M4/583 ,  H01M4/62

摘要： An active material for a lithium ion secondary battery includes core particles containing SiO or M-SiO materials where M is selected from Al, Cu, Fe, K, Li, Mg, Na, Ni, Sn, Ti, Zn, Zr, or any combination thereof, and an amorphous Group 13 or Group 15 material (“G13/G15 material”) comprising at least one element selected from boron (B), aluminum (Al), gallium (Ga), indium (In), thallium (Tl), nitrogen (N), phosphorus (P), arsenic (As), antimony (Sb), or bismuth (Bi), coated on the core particles.

公开(公告)号：US20210135209A1

公开(公告)日：2021-05-06

申请号：US17090307

申请日：2020-11-05

申请人： NANOGRAF CORPORATION

发明人： Cary HAYNER ,  Seonbaek HA ,  Kathryn HICKS ,  Joshua LAU ,  Christine FRYSZ

IPC分类号： H01M4/48 ,  H01M4/62 ,  H01M10/0525 ,  H01M4/04 ,  H01M4/1393 ,  H01M4/583

摘要： An electrode material for a lithium ion secondary battery and method of forming the same, the electrode material including composite particles, each composite particle including a primary particle including thermally disproportionated silicon oxide, and an envelope disposed on the surface of the primary particle. The envelope includes turbostratic carbon having a Raman spectrum having: a D band having a peak intensity (ID) at wave number between 1330 cm−1 and 1360 cm−1; a G band having a peak intensity (IG) at wave number between 1530 cm−1 and 1600 cm−1; and a 2D band having a peak intensity (I2D) at wave number between 2650 cm−1 and 2750 cm−1, wherein a ratio of ID/IG ranges from greater than zero to about 1.0, and a ratio of I2D/IG ranges from about 0.4 to about 2.

公开(公告)号：US20200373562A1

公开(公告)日：2020-11-26

申请号：US16876915

申请日：2020-05-18

申请人： NANOGRAF CORPORATION

发明人： Joshua J. LAU ,  Aaron YOST ,  James MCKINNEY ,  Cary Michael HAYNER ,  Jack CAVANAUGH ,  Seonbaek HA

IPC分类号： H01M4/36 ,  H01M4/62 ,  H01M4/48 ,  H01M10/0525 ,  H01M4/04

摘要： An electrode material for a lithium ion secondary battery and method of forming the same, the electrode material including composite particles, each composite particle including: a primary particle including an electrochemically active material; and an envelope disposed on the surface of the primary particle. The envelope includes turbostratic carbon having a Raman spectrum having: a D band having a peak intensity (ID) at wave number between 1330 cm−1 and 1360 cm−1; a G band having a peak intensity (IG) at wave number between 1530 cm−1 and 1580 cm−1; and a 2D band having a peak intensity (I2D) at wave number between 2650 cm−1 and 2750 cm−1. In one embodiment, a ratio of ID/IG ranges from greater than zero to about 1.1, and a ratio of I2D/IG ranges from about 0.4 to about 2.